Computer Networking Which of the following is the decimal and hexadecimal equivalents of the binary number 10011101? 155, 0x9B 185, 0xB9 159, 0x9F 157, 0x9D 155, 0x9B 185, 0xB9 159, 0x9F 157, 0x9D ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Usually, it takes 10-bits to represent one character. How many characters can be transmitted at a speed of 1200 BPS? 10 120 12 1200 None of these 10 120 12 1200 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is required to communicate between two computers? communications software communications hardware access to transmission medium All of these protocol communications software communications hardware access to transmission medium All of these protocol ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission? Attenuation Interface Teleprocessor None of these Modem Attenuation Interface Teleprocessor None of these Modem ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The physical layer, in reference to the OSI model, defines the interface between the X.25 network and packet mode device data link procedures that provide for the exchange of data via frames that can be sent and received All of these None of these the virtual circuit interface to packet-switched service the interface between the X.25 network and packet mode device data link procedures that provide for the exchange of data via frames that can be sent and received All of these None of these the virtual circuit interface to packet-switched service ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Modem is used in data transmission. When was it invented and in which country? 1965, Germany None of these 1950, Japan 1963, USA 1950, USA 1965, Germany None of these 1950, Japan 1963, USA 1950, USA ANSWER DOWNLOAD EXAMIANS APP